熱脆化 的英文怎麼說

中文拼音 [rècuìhuà]
熱脆化 英文
thermal embrittlement
  • 脆 : 形容詞1 （容易折斷破碎） fragile; brittle 2 （較硬的食物容易弄碎弄裂） crisp 3 （聲音清脆） （of ...
  1. To discuss the natural vulnerability of different coasts to future sea - level rise, the paper selects the coasts along the pearl river mouth as the studied area. after analyzing the impacting factors of natural vulnerability along the pearl river mouth, the paper divides the coastline of approximately 412km into 25 15 - minute gird cells. for assessment purposes, the six variables including geography, relative sea - level change, average tide range, regional slope, shoreline erosion or accretion rates and tropic cyclone impacting frequency are selected as assessed variables

    為了探討不同海岸帶對未來海平面上升的自然脆弱性，本文以珠江口沿岸作為研究個案，在分析珠江口沿岸自然脆弱性的影響因子的基礎上，把珠江口沿岸412km岸線劃分為25個15 15的網格單元，選取了地質、海平面上升率、平均潮差、區域海岸坡度、海岸侵蝕/堆積率、熱帶氣旋影響頻率6個評價指標，應用cvi指數評價公式對珠江口地區進行海岸脆弱性評價，並建立海岸脆弱性評價數據庫，繪制了珠江口沿岸1 ： 2 ， 000 ， 000的數字化cvi圖。
  2. Embrittlement mechanism of the welding deposit metal of bhw - 35 steel

    35鋼焊縫熔敷金屬熱處理脆化機理研究
  3. The high speed steel of composite roll is characteristic of high carbon and high alloy elements. so it is easy to form a lot of netlike carbides. these carbides which are very hard and fragile and are very difficult to be eliminated by heat treatment can depress the properties of high speed steel

    復合軋輥用高速鋼具有高碳和高合金的特徵，容易形成大量網狀碳化物，這些網狀碳化物又硬又脆，會嚴重降低高速鋼的性能，且難以用熱處理的方法予以消除。
  4. We also have outstanding talented experts in china, which form a software base to produce high - quality piston rings. anqing diamond pays a special attention to its nit riding, and the nitride piston rings have been highly honoured for its features. namely high modulus of elasticity, heat - resisting, wear - resisting etc

    值得一提的是，帝邁德擁有卓越超群的氣體氮化加工工藝，使帝邁德氮化環的各項性能指標彈性模數熱穩定性耐拉缸性氮化層硬度深度和脆性等獲得國際同行界的高度評價，達到國際領先水平。
  5. The red soil region of subtropics is one of the most de nsely populated areas in china in which natural ecosystem has been heavily destr ucted and degraded due to ecological weakness and climatic characteristics

    由於紅壤的生態脆弱性及亞熱帶的氣候特徵，亞熱帶紅壤區成為自然生態系統破壞與退化的嚴重區域，亞熱帶紅壤區的生態退化及生態恢復與重建成為土壤學、水土保持、生態學研究的熱點問題之一。
  6. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現： 1 ）疊層材料具有明顯優于均質材料的熱電性能，在490溫差下， p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 （ mw / cm ~ 2 ） ，是同類型均質- fesi _ 2的2 . 5和3倍； 2 ）在焊接過程和190長時間退火處理過程中，焊接過渡層合金和基體半導體（特別是bi _ 2te _ 3 ）之間存在明顯的元素相互擴散，從而在過渡層中形成一些低熔點共晶體和脆性化合物，這是導致疊層材料破壞的主要原因； 3 ）焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。
  7. The result of experiment showed that the reaction between ti and c is a thermodynamic course, when 2 wt % mg is added to melt, it can restrain the formation of fragility phase al3ti, and gained al matrix composite which contained tic reinforced particles only. because mg reacts with the forms a micro - high temperature field around the oxide around the graphite particles and the oxygen gas which is brought by the immersion bell, and the reaction gives out a lot of heat energy, thus forms many high micro - fields in melt, which prompt the reaction between the al and ti

    加入適量的mg （ 2wt ）可以抑制tic al復合材料中的脆性相al _ 3ti的產生，生成僅含tic的鋁基復合材料；由於活化劑鎂在體系中與石墨顆粒周圍的氧化物、以及外來的氧反應放熱，在熔體中形成微高溫區，促進al - ti反應，同時， al - ti反應也是放熱反應，因此體系中的內能急劇增大，促使al _ 3ti分解以及ti朝c顆粒擴散，縮短反應的孕育時間。
  8. Having the same mechanical character as other ceramic products, mosi2 heating elements belong to the brittleness material so that they are easy to rupture at the normal temperature, which brings some difficulty to transport and install, but it may be avoided if they were installed and used correctly

    二硅化鉬電熱元件的機械性質和其它陶瓷製品一樣，在常溫下屬于脆性材料容易斷裂，這給運輸和安裝帶來了一定的困難，但只安裝合理和使用得當是可以避免的。
  9. It results in great degradation of the properities of spacecraft surface materials such as the solar absorptance increase of thermal control coatings, mechanical properties damage of thin films, et al

    它會導致航天器的表面材料性能發生極大的退化，例如熱控塗層太陽吸收率上升、薄膜材料機械性能變壞、變脆等等。
  10. Resulting from the instability of bond of the [ - so3h ] and c = c, the thermal stability of sbs decreased after sulfonation was found in our research

    這也是磺化后的膜變脆的原因。熱穩定分析表明磺化后的sbs熱穩定性有所下降。
  11. However the study of metal - oxide hetero - interface is relatively less because the properties of metals and oxides usually differ extremely from each other. contrary to metals, the oxides are usually very brittle, elastically stiffer, insulating and exhibit less thermal expansion and their crystal lattice constants are different from metals. moreover, the preparation of specimen of metal - oxide interface is very difficult, the observation of searching a suitable interface under the electron microscope is also a tedious work

    然而，對金屬-氧化物界面結構的研究卻相對少一些，這主要是由於金屬與氧化物之間的性質相差非常大，與金屬相反，氧化物通常很脆、絕熱、熱膨脹系數小，晶格常數也不同於金屬，有的甚至相差很大，而且，制備金屬-氧化物界面比較困難，在電子顯微鏡下全面地觀察一個合適的界面也是一項令人乏味的工作。
  12. After clad plate is rolled, the thickness of al plate has a few changes. the tests firstly produced al clad plate under cold press, then dealed with it under certain temperature. tests tried to find a sound temperature to weaken the

    先對鋁板和鋼板進行冷壓初復合，再在一定溫度下進行熱壓復合，試圖找到合適的熱壓溫度，消除界面脆化，提高復合鋼板的界面力學性能，檢測了試樣的顯微組織和結合強度。
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